package com.atguigu.gulimall.cart.controller;

import com.atguigu.gulimall.cart.service.CartService;
import com.atguigu.gulimall.cart.vo.Cart;
import com.atguigu.gulimall.cart.vo.CartItem;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.List;

/**
 * @author: xuesm
 * @date: 2025/2/10 20:40
 */
@Controller
public class CartController {

    @Autowired
    CartService cartService;

    @ResponseBody
    @GetMapping("/currentUserCartItems")
    public List<CartItem> getCurrentUserCartItems(){
        return cartService.getUserCartItems();
    }

    @GetMapping("/cart.html")
    public String cartListPage(Model model){

        Cart cart = cartService.getCart();
        model.addAttribute("cart", cart);
        return "cartList";
    }

    /**
     * redirectAttributes.addAttribute: 请求路径
     * redirectAttributes.addFlashAttribute: session中 只能取一次
     * @param skuId
     * @param num
     * @param redirectAttributes
     * @return
     */
    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId") Long skuId,
                            @RequestParam("num") Integer num,
                            RedirectAttributes redirectAttributes){

        cartService.addToCart(skuId, num);
        redirectAttributes.addAttribute("skuId", skuId);
        return "redirect:http://cart.gulimall.com/addToCartSuccess.html";
    }

    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId") Long skuId,Model model){
        CartItem cartItem = cartService.getCartItem(skuId);
        model.addAttribute("item", cartItem);
        return "success";
    }

    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId") Long skuId,@RequestParam("check") Long check){
        cartService.checkItem(skuId, check);
        return "redirect:http://cart.gulimall.com/cart.html";
    }


    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId") Long skuId,@RequestParam("num") Integer num){
        cartService.countItem(skuId, num);
        return "redirect:http://cart.gulimall.com/cart.html";
    }


    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId") Long skuId){
        cartService.deleteItem(skuId);
        return "redirect:http://cart.gulimall.com/cart.html";
    }
}
